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Finding the Fourth Proportional to 322,773.28, 445,420.64 and 179,530.24

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Solution

The fourth proportional to 322,773.28, 445,420.64 and 179,530.24 is: 247,748.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,773.28 : 445,420.64 = 179,530.24 : x
  2. Step 2: Convert to fraction form
    322,773.28/445,420.64 = 179,530.24/x
  3. Step 3: Cross multiply
    322,773.28x = 445,420.64 × 179,530.24
  4. Step 4: Simplify right side
    322,773.28x = 79,966,474,400.15
  5. Step 5: Solve for x
    x = 79,966,474,400.15/322,773.28
  6. Step 6: Final answer
    x = 247,748.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.